Open navigation menu

Session Border Controllers (SBCs)

Mediant 4000 SBC

Mediant 4000 SBC
Robust, scalable SBC suitable for large enterprise and service provider deployments.
  • For large enterprises and service providers
  • Comprehensive SIP interoperability
  • Scalable to 5,000 SBC sessions
  • 1:1 active-standby high availability


The AudioCodes Mediant 4000 is a session border controller (SBC) designed for deployment in large organizations and as an access SBC for service providers.

Supporting up to 5,000 concurrent sessions, the Mediant 4000 supports extensive SIP connectivity with wide-ranging interoperability, enhanced perimeter defense against DoS attacks, and advanced voice quality monitoring.


  • Supports a wide variety of qualified SIP trunks and SIP platforms
  • A highly integrated device for secured SIP trunking, forming a single and managed point of demarcation for VoIP networks
  • High-availability 1:1 active-standby configuration ensures business continuity


  • Scalable to 5,000 SBC sessions
  • Extensive SIP mediation capabilities
  • Supports remote workers and mobile SIP clients
  • Perimeter defense against denial of service, fraud and eavesdropping
  • VoIP quality monitoring and enforcement
  • Branch survivability during WAN failure
  • Active/Standby High Availability
  • Advanced media handling including transcoding and wideband speech


Max. SBC Sessions 5000 (RTP-RTP or SRTP-SRTP) ; 3000 (RTP-SRTP)
Max. Transcoding Sessions 5,000
Max. Registered Users 20,000
LAN Interfaces 8 x 100/1000 Base-T Ethernet ports for physical separation between multiple LAN and WAN between Media, Control and OA&M
Supported DSP Capabilities Coder normalization including transcoding, coder enforcement and re-prioritization, IBS, Echo-Cancellation (EC), Silence Suppression/Comfort Noise Generation, VAD, CNG, fax-detection, T.38, RTCP XR, G.711, G.723.1, G.726, G.729, GSM-FR, iLBC, AMR-NB/WB, SILK-NB/WB, Opus-NB/WB
Physical Dimensions 1U x 19” (444mm) x 14” (355mm) (HxWxD) or 1U x 19” (444mm) x 14.9” (378mm) (HxWxD)
Powering Dual redundant 100-240V AC power supply

Where to Buy

Get in touch